import Vue from "vue";
import VueRouter from "vue-router";
import Login from "../components/Login.vue"
import Home from "../components/Home.vue"
import Welcome from "../components/Welcome.vue"
import Users from "../components/users/Users.vue"
Vue.use(VueRouter);

const routes = [
  {
    path: '/', redirect: '/login'
  },
  {
    path: '/login', component: Login
  },
  {
    path: '/home', component: Home,
    redirect: '/welcome', children: [
      { path: '/welcome', component: Welcome },
      { path: '/users', component: Users }
    ]
  }
];

const router = new VueRouter({
  routes,
});
//导航守卫
router.beforeEach((to, from, next) => {
  if (to.path === '/login') return next()
  const tokenStr = window.sessionStorage.getItem('token')
  if (!tokenStr) return next('/login')
  next()
})

export default router;
